First, on Linux Mint 20 the installation of Rcmdr is no problem at all. But on Kubuntu, it is. When you try to install Rcmdr from within RStudio by
install.packages("Rcmdr")
you may run into the error msg:
Error: package or namespace load failed for ‘tcltk’: .onLoad failed in loadNamespace() for 'tcltk', details: call: fun(libname, pkgname) error: Tcl/Tk support is not available on this system Error: package ‘tcltk’ could not be loaded In addition: Warning message: S3 methods ‘as.character.tclObj’, ‘as.character.tclVar’, ‘as.double.tclObj’, ‘as.integer.tclObj’, ‘as.logical.tclObj’, ‘as.raw.tclObj’, ‘print.tclObj’, ‘[[.tclArray’, ‘[[<-.tclArray’, ‘$.tclArray’, ‘$<-.tclArray’, ‘names.tclArray’, ‘names<-.tclArray’, ‘length.tclArray’, ‘length<-.tclArray’, ‘tclObj.tclVar’, ‘tclObj<-.tclVar’, ‘tclvalue.default’, ‘tclvalue.tclObj’, ‘tclvalue.tclVar’, ‘tclvalue<-.default’, ‘tclvalue<-.tclVar’, ‘close.tkProgressBar’ were declared in NAMESPACE but not found Execution halted ERROR: lazy loading failed for package ‘tcltk2’ * removing ‘/home/hmb/R/x86_64-pc-linux-gnu-library/4.0/tcltk2’ Warning in install.packages : installation of package ‘tcltk2’ had non-zero exit status ERROR: dependency ‘tcltk2’ is not available for package ‘Rcmdr’ * removing ‘/home/hmb/R/x86_64-pc-linux-gnu-library/4.0/Rcmdr’ Warning in install.packages : installation of package ‘Rcmdr’ had non-zero exit status
This most probably means that your system is missing the libs
tcl-dev
and
tk-dev
Install them using
apt-get install tcl-dev tk-dev
Now rebuild R (make, ./configure…).
Afterwards RStudio should be able to let you install the package tcltk2. And as a consequence, you should be able to install Rcmdr, too.
Kolloquia 